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Fall INES Seminar Series: Xuan Zhang

October 6, 2022 @ 12:00 PM 1:00 PM

Synchrotron High-energy X-ray Studies of Nuclear Structural Materials

Dr. Xuan Zhang, Principal Materials Scientist, Nuclear Science and Engineering Division, Argonne National Laboratory

Abstract: Synchrotron x-ray diffraction- and imaging-based techniques are ideal tools for probing the evolution of deformation microstructures at multiple length scales and for revealing the underlying deformation mechanisms in bulk irradiated materials in situ and/or in 3D. Such tools are also advantageous in the study of additively manufactured materials. This talk will feature a few recent studies conducted at the Advanced Photon Source in Argonne National Laboratory. Examples include an in-situ diffraction study of a change in tensile deformation behavior in neutron-irradiated type 316 stainless steels, an in-situ 3D study of grain-level response to tensile deformation in neutron-irradiated Fe-9Cr ferritic alloy, and a study of porosity evolution under creep deformation in additively manufactured 316L stainless steel. The current status of the Activated Materials Laboratory, a new radiological facility to facilitate the study of nuclear materials at the APS that is built in conjunction with the APS-Upgrade project supported by the Nuclear Science User Facilities, will also be presented.

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